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Table 1 Clavien-Dindo postoperative complication classification

From: Laparoscopic-assisted myomectomy with uterine artery occlusion at a freestanding ambulatory surgery center: a case series

GradeDefinition
Grade IAny deviation from the normal postoperative course without the need for pharmacological treatment or surgical, endoscopic and radiological interventions
Allowed therapeutic regimens are drugs as antiemetics, antipyretics, analgesics, diuretics, and electrolytes, and physiotherapy. This grade also includes wound infections opened at the bedside.
Grade IIRequiring pharmacological treatment with drugs other than such allowed for grade I complications. Blood transfusions and total parenteral nutrition are also included.
Grade IIIRequiring surgical, endoscopic, or radiological intervention.
IIIaIntervention not under general anesthesia.
IIIbIntervention under general anesthesia.
Grade IVLife-threatening complication (including CNS complications)a requiring IC/ICU-management.
IVaSingle organ dysfunction (including dialysis).
IVbMulti-organ dysfunction.
Grade VDeath of a patient.
  1. IC intermediate care; ICU intensive care unit
  2. aBrain hemorrhage, ischemic stroke, subarrachnoidal bleeding, but excluding transient ischemic attacks (TIA)